26541320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 65862720

約数和(自身を除く): 39321400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1187, 1720, 2236, 2374, 2795, 4472, 4748, 5590, 5935, 9496, 11180, 11870, 15431, 22360, 23740, 30862, 47480, 51041, 61724, 77155, 102082, 123448, 154310, 204164, 255205, 308620, 408328, 510410, 617240, 663533, 1020820, 1327066, 2041640, 2654132, 3317665, 5308264, 6635330, 13270660, 26541320]

約数ペア:

[(1, 26541320), (2, 13270660), (4, 6635330), (5, 5308264), (8, 3317665), (10, 2654132), (13, 2041640), (20, 1327066), (26, 1020820), (40, 663533), (43, 617240), (52, 510410), (65, 408328), (86, 308620), (104, 255205), (130, 204164), (172, 154310), (215, 123448), (260, 102082), (344, 77155), (430, 61724), (520, 51041), (559, 47480), (860, 30862), (1118, 23740), (1187, 22360), (1720, 15431), (2236, 11870), (2374, 11180), (2795, 9496), (4472, 5935), (4748, 5590)]